SUPER SAD:

-cereal that gets soggy before you have a chance to eat it
-cereal bowl that gets smashed on the floor in a drunken stupor before you have a chance to eat it
-going for a sip of delicious tea while engrossed in a book, only to realize that you already drank it
-losing a button on your favorite piece of clothing (like pants or a coat, for instance)
-trying to burn an SVCD when you don't have time to burn a DVD, even though you know there will be significant loss in quality - SAD!
-ripping off old logos that take more than you intended (for example, a favorite bag that cannot be salvaged)
-burning the croissants when it's all you have left to eat
-lying to yourself
-moving away
-double suicides
-The Notebook
-last call
-when it's time to go.
Okay, those are just some examples of things that are sad in general.
Here is the saddest experience in sportscaster history, I'm pretty sure: